Fay Stafford, who has links to both areas, as well as Humberside, went missing from Ormskirk, Lancashire, between 2am and 6.50am on Wednesday.
She is 5ft 3ins tall with light brown shoulder-length hair and was last seen in black shorts, a gym top and bomber jacket.
Anyone with information that can help find her should call Lancashire Police on 101 and quote incident 227 of June 16.